Which soft the best to unformat HD

[lordi]

to gain the best result, you need to try different software, IMHO,

I tried Getdataback product and find it satisfying for me, try it

[val2032]

For recovering all your files R-Studio is the best solution.
I have experienced a blackout (no ups) when I tried to convert partitions (FAT to NTFS) and R-Studio solved this issue. It was the solution for accidentally partition format, too.

You can also check with Ontrack Easy Recovery.